Here is what's good and bad with the Galaxy S8 getting a S Pen accessory
Galaxy Tab S8 uses the same S Pen as the Tab S7, FCC filings reveal - SamMobile
Touch Stylus Pen For Samsung Galaxy Note 9 LCD Touch Screen Stylus Pen Replacement S Pen for Samsung Galaxy Note 9 - Walmart.com
Samsung Galaxy S8 might arrive with S Pen stylus support - Android Community
Samsung Galaxy Tab S8 11" 128GB Wi-Fi with S-Pen Graphite SM-X700NZAAXAR - Best Buy
Stylus Pen For Samsung Galaxy Tab S8 Ultra Plus Sm X700 X800 X806 S8 S7 Plus Fe T970 Tablet Pencil Screen Touch Pen Stylus Case - Tablet Pen - AliExpress
Amazon.com: BoxWave Stylus Pen for Samsung Galaxy S8 Plus (Stylus Pen by BoxWave) - AccuPoint Active Stylus, Electronic Stylus with Ultra Fine Tip for Samsung Galaxy S8 Plus - Metallic Silver :
Galaxy Tab S8/S8+/S8 Ultra S Pen Mobile Accessories - EJ-PT870BJEGUJ | Samsung US
Amazon.com: BoxWave Stylus Pen Compatible with Samsung Galaxy S8 (Stylus Pen by BoxWave) - EverTouch Capacitive Stylus, Fiber Tip Capacitive Stylus Pen for Samsung Galaxy S8 - Jet Black : Cell Phones
Galaxy S8 Rumored to Get a Brand New Feature to Really Make You Forget About Note 7
Active Pen Capacitive Touch Screen For Samsung Galaxy S8 S7 S6 Edge S8+ S5 S4 Note8 Note 8 7 6 5 4 A Stylus Pen Phone Nib 1.35mm - Mobile Phone Stylus - AliExpress